How do I turn on Windows Defender antivirus?
Turn Microsoft Defender Antivirus real-time protection on or offSelect Start > Settings > Update & Security > Windows Security and then Virus & threat protection > Manage settings.
Switch the Real-time protection setting to Off and choose Yes to verify..
How can I tell if Windows Defender is enabled?
Open the Control Panel and verify the status of Windows Defender. Verify the status of the Windows Defender services: Press Ctrl+Alt+Del, and then select Task Manager. Click the Services tab.
Can I use an antivirus with Windows Defender?
The good news is that Windows Defender can be used alongside another free antivirus, making your malware protection much more secure. But free antiviruses can be limited in other areas. Maybe they lack real-time protection or maybe their malware scanner doesn’t work well.
How do I turn on Windows Defender after uninstalling antivirus?
If you want to make sure that Windows Defender’s real-time protection is disabled—or re-enabled after uninstalling a third-party antivirus app—hit Start, type “defender,” and then select “Windows Defender.”